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OBJECTIVE: Digital self-management programs are increasingly used in the management of osteoarthritis (OA). Little is known about heterogeneous patterns in response to these programs. We describe weekly pain trajectories of people with knee or hip OA over up to 52-week participation in a digital self-management program. METHODS: Observational cohort study among participants enrolled between January 2019 and September 2021 who participated at least 4 and up to 52 weeks in the program (n = 16â274). We measured pain using Numeric Rating Scale (NRS 0-10) and applied latent class growth analysis to identify classes with similar trajectories. Associations between baseline characteristics and trajectory classes were examined using multinomial logistic regression and dominance analysis. RESULTS: We identified 4 pain trajectory classes: "mild-largely improved" (30%), "low moderate-largely improved" (34%), "upper moderate-improved" (24%), and "severe-persistent" (12%). For classes with decreasing pain, the most pain reduction occurred during first 20 weeks and was stable thereafter. Male sex, older age, lower body mass index (BMI), better physical function, lower activity impairment, less anxiety/depression, higher education, knee OA, no walking difficulties, no wish for surgery and higher physical activity, all measured at enrolment, were associated with greater probabilities of membership in "mild-largely improved" class than other classes. Dominance analysis suggested that activity impairment followed by wish for surgery and walking difficulties were the most important predictors of trajectory class membership. CONCLUSIONS: Our results highlight the importance of reaching people with OA for first-line treatment prior to developing severe pain, poor health status and a wish for surgery.
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Osteoartrite do Quadril , Osteoartrite do Joelho , Humanos , Masculino , Osteoartrite do Quadril/complicações , Osteoartrite do Quadril/terapia , Dor , Articulação do Joelho , Joelho , Osteoartrite do Joelho/complicações , Osteoartrite do Joelho/terapia , Exercício FísicoRESUMO
To improve health care for older persons, we need to learn more about ageing, e.g. identify protective factors and early markers for diseases. The Gothenburg H70 Birth Cohort Studies (the H70 studies) are multidisciplinary epidemiological studies examining representative birth cohorts of older populations in Gothenburg, Sweden. So far, six birth cohorts of 70-year-olds have been examined over time, and examinations have been virtually identical between studies. This paper describes the study procedures for the baseline examination of the Birth cohort 1944, conducted in 2014-16. In this study, all men and women born 1944 on specific dates, and registered as residents in Gothenburg, were eligible for participation (n = 1839). A total of 1203 (response rate 72.2%; 559 men and 644 women; mean age 70.5 years) agreed to participate in the study. The study comprised sampling of blood and cerebrospinal fluid, psychiatric, cognitive, and physical health examinations, examinations of genetics and family history, use of medications, social factors, functional ability and disability, physical fitness and activity, body composition, lung function, audiological and ophthalmological examinations, diet, brain imaging, as well as a close informant interview, and qualitative studies. As in previous examinations, data collection serves as a basis for future longitudinal follow-up examinations. The research gained from the H70 studies has clinical relevance in relation to prevention, early diagnosis, clinical course, experience of illness, understanding pathogenesis and prognosis. Results will increase our understanding of ageing and inform service development, which may lead to enhanced quality of care for older persons.
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Envelhecimento , Avaliação Geriátrica/métodos , Serviços de Saúde para Idosos , Idoso , Envelhecimento/sangue , Envelhecimento/genética , Envelhecimento/metabolismo , Envelhecimento/psicologia , Estudos de Coortes , Feminino , Humanos , Estudos Longitudinais , Masculino , Projetos de Pesquisa , Suécia/epidemiologiaRESUMO
Background: empirical evidence from high-income countries suggests that self-rated health (SRH) is useful as a brief and simple outcome measure in public health research. However, in many low- and middle-income countries (LMIC) there is a lack of evaluation and the cross-cultural validity of SRH remains largely untested. This study aims to explore the prevalence of SRH and its association with mortality in older adults in LMIC in order to cross-culturally validate the construct of SRH. Methods: population-based cohort studies including 16,940 persons aged ≥65 years in China, India, Cuba, Dominican Republic, Peru, Venezuela, Mexico and Puerto Rico in 2003. SRH was assessed by asking 'how do you rate your overall health in the past 30 days' with responses ranging from excellent to poor. Covariates included socio-demographic characteristics, use of health services and health factors. Mortality was ascertained through a screening of all respondents until 2007. Results: the prevalence of good SRH was higher in urban compared to rural sites, except in China. Men reported higher SRH than women, and depression had the largest negative impact on SRH in all sites. Without adjustment, those with poor SRH showed a 142% increase risk of dying within 4 years compared to those with moderate SRH. After adjusting for all covariates, those with poor SRH still showed a 43% increased risk. Conclusion: our findings support the use of SRH as a simple measure in survey settings to identify vulnerable groups and evaluate health interventions in resource-scares settings.
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Demência/mortalidade , Avaliação Geriátrica , Autorrelato , Fatores Etários , Idoso , Envelhecimento/psicologia , China/epidemiologia , Comparação Transcultural , Demência/diagnóstico , Demência/psicologia , Feminino , Inquéritos Epidemiológicos , Humanos , Índia/epidemiologia , América Latina/epidemiologia , Masculino , Valor Preditivo dos Testes , Prognóstico , Fatores de Risco , Saúde da População Rural , Fatores Sexuais , Saúde da População UrbanaRESUMO
BACKGROUND: Dizziness is one of the most prevalent symptoms in old age and tends to increase with age. AIMS: To report physical functioning, health-related aspects and gender differences in elderly persons with and without dizziness in a population-based sample of 75-year-olds. METHODS: A cross-sectional sample of 75-year-olds from Gothenburg, Sweden (n = 675, 398 women and 277 men) was examined by means of questionnaires and functional tests. The questions concerned dizziness/imbalance, physical activity level, walking habits, falls efficacy, number of falls, subjective health or general fatigue and medication. The tests included were self-selected and maximum gait speed, stair climbing capacity, one leg stance and grip strength. RESULTS: More women than men reported dizziness/imbalance (40 vs 30 %, p < 0.001). Persons with dizziness, compared to those without dizziness, less often regularly exercised at a moderate intensity level (summer: 62 vs 74 %, p < 0.001; winter: 41 vs 51 %, p < 0.001), less often took a daily walk (p < 0.05), had lower scores on the FES(S) (p < 0.001), more often reported general fatigue (p < 0.001), more often had fallen in the previous year (40 vs 23 %, p < 0.001) and had a higher intake of medical drugs (4.6 vs 3.3, p < 0.001). They also performed worse regarding gait speed, stair climbing and one leg stance (p < 0.001), but there was no difference in grip strength. CONCLUSION: Older persons with dizziness are less physically active, have worse lower extremity function, are more often fallers and report lower self-rated health than persons without dizziness.
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Acidentes por Quedas , Tontura , Equilíbrio Postural/fisiologia , Caminhada/fisiologia , Acidentes por Quedas/prevenção & controle , Acidentes por Quedas/estatística & dados numéricos , Atividades Cotidianas , Idoso , Estudos Transversais , Tontura/diagnóstico , Tontura/epidemiologia , Tontura/fisiopatologia , Feminino , Avaliação Geriátrica/métodos , Humanos , Masculino , Prevalência , Fatores Sexuais , Inquéritos e Questionários , Suécia/epidemiologiaRESUMO
BACKGROUND: while there is a trend towards a compression of disability, secular trends in physiological frailty have not been investigated. The aim of this paper was to report physiological frailty in two cohorts of 75-year olds examined in 1987 and 2005. METHODS: a repeated cross-sectional study : Two population-based birth cohorts of community-dwelling 75-year olds from Gothenburg, Sweden, born in 1911-12 (n = 591) and 1930 (n = 637) were examined with identical methods in 1987 and 2005. Measures were three frailty criteria from Fried's frailty phenotype: low physical activity, slow gait speed and self-reported exhaustion. RESULTS: seventy-five-year olds examined in 2005 were less frail according to the criteria low physical activity compared with those examined in 1987 (3 versus 18%, P < 0.001).This was seen both in women and in men, and among those with basic and more than basic educational level. Further, men with basic education were less frail in 2005 compared with those in 1987 in slow gait speed (non-significant when adjusted for body height) and low self-rated fitness, while no cohort differences were seen in men with more than basic education. Women with more than basic education were less frail in 2005 compared with those in 1987 in slow gait speed and self-rated fitness, while no cohort difference was seen in women with basic education. CONCLUSION: less 75-year olds were physiologically frail in 2005 compared with those in 1987, with the exception of women with low educational level, suggesting that this is a disadvantaged group that needs to receive particular attention with regard to physiological frailty.
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Envelhecimento , Idoso Fragilizado/estatística & dados numéricos , Nível de Saúde , Fatores Etários , Idoso , Estudos Transversais , Avaliação da Deficiência , Escolaridade , Tolerância ao Exercício , Feminino , Marcha , Avaliação Geriátrica , Humanos , Masculino , Atividade Motora , Fatores de Risco , Fatores Sexuais , Suécia/epidemiologia , Fatores de Tempo , CaminhadaRESUMO
BACKGROUND: The number and the proportion of older persons is growing in the Nordic Countries. The growth in the older population has a clear impact on the care system for older persons. One trend is to prioritise home care instead of care in institutions. Another trend is to emphasise preventive and health promotion care. As official guidelines in the Nordic countries state that home is the best place to grow old, it is essential that older persons keep their health and functional capacity in order to be able to live at home for as long as possible. As current policy emphasises living at home, home care, preventive work and health promotion it becomes essential to study the home as a health promotion setting. OBJECTIVE: The aim of this study was to reach a new understanding of home as a health promotion setting for older persons. STUDY DESIGN: The method used was a literature reflection and analysis with a hermeneutical approach. RESULTS: The results show that with increasing age the home environment becomes a crucial determinant for independence. The home environment supports the self as people age; it has associations with the past, can provide proximity to family, and a sense of being a part of neighbourhood life. CONCLUSIONS: Only by taking into consideration the meaning of home and the resources of the individual older person can home function as a true health promoting setting if health personnel focus solely on risk prevention, they can neglect the perspectives of the older person, resulting in dis-empowerment not health promotion.
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Promoção da Saúde , Características de Residência , Idoso , Humanos , Países Escandinavos e NórdicosRESUMO
PURPOSE: To assess health-related quality of life (HRQL) in relation to walking habits and fitness status in older persons. A second aim was to examine fitness status as a mediator in the relation between walking habits and HRQL. METHODS: A cross-sectional population-based sample of 75-year-olds from Gothenburg, Sweden, was examined (n = 698, response rate 61 %). Walking habits were assessed as weekly frequency and duration. HRQL was assessed with the Short Form-36 (SF-36) and fitness with maximal and self-selected gait speed, chair-stand, stair-climbing capacity, grip strength and one-leg stance. RESULTS: The proportion of 75-year-olds who attained recommended levels of moderate physical activity (≥ 150 min/week), described as walking, was 60 %. This was positively associated with most subscales of SF-36 and with all fitness tests except grip strength. Maximal gait speed was the fitness test with the highest correlations to all SF-36 subscales. Fitness, described with maximal gait speed, was a partial mediator in most relations between walking habits and SF-36. After adjustment for confounders, associations between regular walking and SF-36 were no longer significant, except for Role Physical, General Health and Role Emotional in women. CONCLUSIONS: Attaining recommended levels of walking, as well as a high fitness status, is positively associated with several aspects of HRQL in older persons. Fitness, described with maximal gait speed, seems to have a partial role in the relation between walking habits and HRQL, suggesting that other mechanisms are also involved.
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Exercício Físico/psicologia , Hábitos , Aptidão Física/psicologia , Qualidade de Vida , Caminhada/psicologia , Idoso , Idoso de 80 Anos ou mais , Estudos Transversais , Exercício Físico/fisiologia , Feminino , Marcha , Inquéritos Epidemiológicos , Humanos , Pessoa de Meia-Idade , Atividade Motora , Vigilância da População , Inquéritos e Questionários , Suécia , Caminhada/fisiologiaRESUMO
OBJECTIVE: To describe and examine potential predictors of changes in pain and disability in patients with shoulder pain who have completed 3 months of digitally delivered treatment comprising exercise and patient education. DESIGN: Retrospective cohort study (clinicaltrials.org Nr: NCT05402514). SUBJECTS: Patients with shoulder pain who completed treatment (n = 682). METHODS: Primary outcome was change in shoulder pain (numerical rating scale 0-10; minimal clinical important change: at least 2 points). Pain and disability were reported on the Shoulder Pain and Disability Index. Changes in outcomes were analysed with paired sample t-tests. Association with potential predictors (sex, age, education, body mass index, physical activity, symptom duration, baseline pain/function, and treatment adherence) were explored with linear regression models Results: Statistically significant improvements were found for all treatment outcomes. Minimal clinically important change in pain was reached by 54.5% (n = 372). Higher baseline level of symptoms, short symptom duration, and high treatment adherence were associated with greater changes. CONCLUSION: Patients with shoulder pain reported significant reductions in pain and disability following treatment, but the clinical relevance of the improvements has not been confirmed. Satisfactory treatment adherence, higher baseline pain and shorter symptom duration predicted larger improvements. A control group is needed to evaluate the actual effect of the treatment.
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Avaliação da Deficiência , Terapia por Exercício , Medição da Dor , Educação de Pacientes como Assunto , Dor de Ombro , Humanos , Dor de Ombro/reabilitação , Dor de Ombro/etiologia , Dor de Ombro/terapia , Masculino , Feminino , Pessoa de Meia-Idade , Estudos Retrospectivos , Terapia por Exercício/métodos , Adulto , Resultado do Tratamento , Idoso , Pessoas com Deficiência/reabilitação , Estudos de CoortesRESUMO
Hand osteoarthritis (OA) is a common form of OA, for which education and exercise are considered the first-line treatment. The aim of the present study was to examine pain and perceived hand function in participants following 3 months of digitally delivered first-line treatment for hand OA. Three-hundred-and-seventy-nine of 846 participants with clinical signs and symptoms of hand OA completed the study. The digital hand OA treatment program consists of video instructed daily exercises and patient education through text lessons. Pain (NRS, 0 no pain, 10 worst) was the primary outcome, and stiffness (NRS) and the Functional Index for Hand OsteoArthritis (FIHOA, 0 best, 30 worst) were among secondary outcomes. The McNemar test and linear mixed effect regression model were used to assess the changes in outcomes from baseline to 3-month. After three months, the digitally delivered program was associated with a significant decrease in pain intensity (mean change -1.30 (95% CI -1.49, -1.12)) and hand stiffness (mean change -0.81 (95% CI -1.02, -0.60)) but no conclusive changes in the FIHOA scores (mean change 0.3 (95% CI -0.2, 0.7)). The results agree with reports on face-to-face delivered first-line treatment for hand OA suggesting that digital treatment is a viable treatment option in patients with hand OA.
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Osteoartrite do Joelho , Osteoartrite , Humanos , Osteoartrite/diagnóstico , Terapia por Exercício/métodos , Exercício Físico , Dor , Osteoartrite do Joelho/terapiaRESUMO
BACKGROUND: Exercise and education is recommended as first-line treatment by evidence-based, international guidelines for low back pain (LBP). Despite consensus regarding the treatment, there is a gap between guidelines and what is offered to patients. Digital LBP treatments are an emerging way of delivering first-line treatment. OBJECTIVE: The aim of this study is to evaluate outcomes after participation in a 3-month digitally delivered treatment program for individuals with subacute or chronic LBP. METHODS: We analyzed data from 2593 consecutively recruited participants in a digitally delivered treatment program, available via the national health care system in Sweden. The program consists of video-instructed and progressive adaptable exercises, education through text lessons, and a chat and video function connecting participants with a personal physiotherapist. The primary outcome was mean change and proportion reaching a minimal clinically important change (MCIC) for LBP (2 points or 30% decrease) assessed with the numerical rating scale (average pain during the past week, discrete boxes, 0-10, best to worst). Secondary outcomes were mean change and proportion reaching MCIC (10 points or 30%) in disability, assessed with the Oswestry Disability Index (ODI; 0-100, best to worst) and a question on patient acceptable symptom state (PASS). RESULTS: The mean participant age was 63 years, 73.85% (1915/2593) were female, 54.72% (1419/2593) had higher education, 50.56% (1311/2593) were retired, and the mean BMI was 26.5 kg/m2. Participants completed on average 84% of the prescribed exercises and lessons, with an adherence of ≥80% in 69.26% (1796/2593) and ≥90% in 50.13% (1300/2593) of the participants. Mean reduction in pain from baseline to 3 months was 1.7 (95% CI -1.8 to -1.6), corresponding to a 35% relative change. MCIC was reached by 58.50% (1517/2593) of participants. ODI decreased 4 points (95% CI -4.5 to -3.7), and 36.48% (946/2593) reached an MCIC. A change from no to yes in PASS was seen in 30.35% (787/2593) of participants. Multivariable analysis showed positive associations between reaching an MCIC in pain and high baseline pain (odds ratio [OR] 1.9, 95% CI 1.6-2.1), adherence (OR 1.5, 95% CI 1.3-1.8), and motivation (OR 1.2, 95% CI 1.0-1.5), while we found negative associations for wish for surgery (OR 0.6, 95% CI 0.5-0.9) and pain in other joints (OR 0.9, 95% CI 0.7-0.9). We found no associations between sociodemographic characteristics and pain reduction. CONCLUSIONS: Participants in this digitally delivered treatment for LBP had reduced pain at 3-month follow-up, and 58.50% (1517/2593) reported an MCIC in pain. Our findings suggest that digital treatment programs can reduce pain at clinically important levels for people with high adherence to treatment but that those with such severe LBP problems that they wish to undergo surgery may benefit from additional support. TRIAL REGISTRATION: ClinicalTrials.gov NCT05226156; https://clinicaltrials.gov/ct2/show/NCT05226156.
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Exercício Físico , Fraturas do Quadril/reabilitação , Modalidades de Fisioterapia , Prescrições , Autoeficácia , Acidentes por Quedas , Idoso , Idoso de 80 Anos ou mais , Medo , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Atividade Motora , Projetos Piloto , Inquéritos e Questionários , Suécia , CaminhadaRESUMO
BACKGROUND: A growing body of evidence suggests that depression is related to dementia in older adults. Previous research has been done in high-income countries and there is a lack of studies in low- and middle income countries (LMICs). OBJECTIVE: To examine the relationship between depressive symptoms and incidence of dementia in a population-based study of older adults in Latin America. METHODS: The study is a part of the 10/66 Dementia Research Group's population survey and includes 11,472 older adults (baseline mean age 74 years) from Cuba, Dominican Republic, Mexico, Peru, Puerto Rico, and Venezuela. The baseline examinations were done in 2003-2007 and the follow-up examinations 4 years later. Semi-structured psychiatric interviews gave information about ICD-10 depression and sub-syndromal depression (i.e., ≥4 depressive symptoms) at baseline. Information on dementia were collected at the follow-up examination. Competing risk models analyzed the associations between depression and incidence of dementia and the final model were adjusted for age, sex, education, stroke, and diabetes. Separate analyses were conducted for each site and then meta-analyzed by means of fixed effect models. RESULTS: At baseline, the prevalence of depression was 26.0% (nâ=â2,980): 5.4% had ICD-10 depression and 20.6% sub-syndromal depression. During the follow-up period, 9.3% (nâ=â862) developed dementia and 14.3% (nâ=â1,329) deceased. In the pooled analyses, both ICD-10 depression (adjusted sub-hazard ratio (sHR) 1.63, 95% confidence interval (CI) 1.26-2.11) and sub-syndromal depression (adjusted sHR 1.28, 95% CI: 1.09-1.51) were associated with increased incidence of dementia. The Higging I2 tests showed a moderate heterogeneity across the study sites. CONCLUSION: Our findings suggest that late-life depression is associated with the incidence of dementia in LMICs in Latin America, which support results from earlier studies conducted in high-income countries.
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Demência/epidemiologia , Demência/psicologia , Depressão/epidemiologia , Depressão/psicologia , Vigilância da População , Idoso , Idoso de 80 Anos ou mais , Demência/diagnóstico , Depressão/diagnóstico , Feminino , Seguimentos , Humanos , Incidência , Estudos Longitudinais , Masculino , Vigilância da População/métodosRESUMO
This study is part of a project that aims to culturally adapt the Investigating Choice Experiments for the Preferences of Older People-CAPability Index (ICECAP-O) for use in research and health and social care in Sweden. The objective was to evaluate face and content validity and acceptability. Eighteen 70-year-old community-dwelling persons participated in cognitive interviews. A standardized classification scheme was used to quantify any identified response problems, and a thematic analysis was applied to capture participants' perceptions of included attributes and experiences of completing the measure. The results show that three participants (18%) had problems completing ICECAP-O, and that judged problems occurred for five (6%) of participants responses in the standardized classification scheme. Most participants perceived the attributes as understandable even though the meaning of Control brought some uncertainty. ICECAP-O seems to measure what it is supposed to measure, quality of life (QoL) with a capability approach, and acceptability is satisfactory. ICECAP- O has potential for becoming a valuable addition to the supply of QoL measures in research and health and social care in Sweden. However, we recommend further research on more diverse groups of older persons.
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OBJECTIVE: To investigate whether greater cardiovascular fitness in midlife is associated with decreased dementia risk in women followed up for 44 years. METHODS: A population-based sample of 1,462 women 38 to 60 years of age was examined in 1968. Of these, a systematic subsample comprising 191 women completed a stepwise-increased maximal ergometer cycling test to evaluate cardiovascular fitness. Subsequent examinations of dementia incidence were done in 1974, 1980, 1992, 2000, 2005, and 2009. Dementia was diagnosed according to DSM-III-R criteria on the basis of information from neuropsychiatric examinations, informant interviews, hospital records, and registry data up to 2012. Cox regressions were performed with adjustment for socioeconomic, lifestyle, and medical confounders. RESULTS: Compared with medium fitness, the adjusted hazard ratio for all-cause dementia during the 44-year follow-up was 0.12 (95% confidence interval [CI] 0.03-0.54) among those with high fitness and 1.41 (95% CI 0.72-2.79) among those with low fitness. High fitness delayed age at dementia onset by 9.5 years and time to dementia onset by 5 years compared to medium fitness. CONCLUSIONS: Among Swedish women, a high cardiovascular fitness in midlife was associated with a decreased risk of subsequent dementia. Promotion of a high cardiovascular fitness may be included in strategies to mitigate or prevent dementia. Findings are not causal, and future research needs to focus on whether improved fitness could have positive effects on dementia risk and when during the life course a high cardiovascular fitness is most important.
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Demência/epidemiologia , Demência/fisiopatologia , Aptidão Física , Idade de Início , Idoso de 80 Anos ou mais , Doenças Cardiovasculares/epidemiologia , Doenças Cardiovasculares/fisiopatologia , Feminino , Seguimentos , Humanos , Incidência , Estudos Longitudinais , Pessoa de Meia-IdadeRESUMO
The association between decline in physical function and age-related conditions, such as reduced cognitive performance and vascular disease, may be explained by genetic influence on shared biological pathways of importance for aging. The apolipoprotein E (APOE) gene is well-known for its association with Alzheimer's disease, but has also been related to other disorders of importance for aging. The aim of this study was to investigate possible associations between APOE allele status and physical function in a population-based longitudinal study of older individuals. In 2005, at the age of 75, 622 individuals underwent neuropsychiatric and physical examinations, including tests of physical function, and APOE-genotyping. Follow-up examinations were performed at age 79. A significantly larger decline in grip strength (p = 0.015) between age 75 and 79 was found when comparing APOE ð4 allele carriers with non-carriers [10.3 (±10.8) kg versus 7.8 (±10.1) kg]. No association was seen with decline in gait speed, chair-stand, or balance. The association with grip strength remained after correction for cognitive and educational level, depression, cardiovascular disease, stroke, and BMI.
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With population ageing, there is an increased interest in how to promote a good old age. A predominant concept in these discussions is successful ageing, which is mainly based on researchers' definitions. This article aims to explore successful ageing from the perspective of community-dwelling older people (24 persons aged 77-90 years). Individual open interviews were conducted and analysed according to qualitative content analysis. An overarching theme was formulated as "self-respect through ability to keep fear of frailty at a distance". This embraced the content of four categories: "having sufficient bodily resources for security and opportunities", "structures that promote security and opportunities", "feeling valuable in relation to the outside world", and "choosing gratitude instead of worries". Ageing seems to be a dynamic process rather than a static structure and might therefore be susceptible to actions. Paying attention to attitudes and treating the older person with respect, particularly with regard to worries about increasing vulnerability, can lead to better ways of promoting successful ageing.
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Envelhecimento/psicologia , Atitude Frente a Saúde , Idoso Fragilizado/psicologia , Vida Independente/psicologia , Idoso , Idoso de 80 Anos ou mais , Medo , Feminino , Humanos , Masculino , Qualidade de Vida , Inquéritos e Questionários , SuéciaRESUMO
BACKGROUND AND PURPOSE: The pattern of population aging is highly complex and contextually based. Cross-national comparisons are helpful to explore related factors. Two cross-sectional studies designed to compare physical activity level, physical functioning and certain health related factors in 75-year-old women and men in Sweden and Iran. MATERIALS AND METHODS: Cohorts of 637 Swedish and 851 Iranian 75-year-olds were investigated with the same methods regarding physical activity level, physical functioning and health related factors. RESULTS: There were differences in physical activity level (p<0.001), self-reported physical functioning (p<0.001) objective physical functioning (p<0.001), health status (p<0.001) and most socio-demographic aspects between the two countries. Here the Swedish cohort had the advantage. There was no difference between the countries regarding prevalence of vertigo or falls. The only variables where the Iranian cohort had advantage over the Swedes were grip strength and smoking habits. There were larger gender differences in walking habits, self-selected walking speed, timed chair stand, and one-leg stance in Iran, and in grip strength in Sweden, all to the disadvantage of women. CONCLUSIONS: Iranian 75-years-olds had a lower physical activity level, a worse lower extremity physical function but a better grip strength, a worse physical health status, but smoked less than their Swedish counterparts. Despite this, there were no differences regarding vertigo or falls. In most aspects, the magnitude of gender differences was about the same and in disadvantage of women, although there were larger differences in Iran in some lower extremity functions.